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  <title>Document</title>
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  <button id="btnJSONP">发起JSONP数据请求</button>

  <script>
    $(function () {
      $('#btnJSONP').on('click', function () {
        $.ajax({
          url: 'http://ajax.frontend.itheima.net:3006/api/jsonp?address=北京&location=顺义',
          dataType: 'jsonp',
          jsonpCallback: 'abc',
          success: function (res) {
            console.log(res)
          }
        })
      })
    })
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